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-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/scsi_priv.h3
-rw-r--r--drivers/scsi/scsi_sysfs.c17
3 files changed, 21 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 8df8267ce316..60f77c4b3946 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1346,7 +1346,7 @@ int scsi_prep_return(struct request_queue *q, struct request *req, int ret)
}
EXPORT_SYMBOL(scsi_prep_return);
-static int scsi_prep_fn(struct request_queue *q, struct request *req)
+int scsi_prep_fn(struct request_queue *q, struct request *req)
{
struct scsi_device *sdev = q->queuedata;
int ret = BLKPREP_KILL;
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index ee8efe849bf4..1de52b6ded40 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -73,6 +73,9 @@ extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
extern void scsi_free_queue(struct request_queue *q);
extern int scsi_init_queue(void);
extern void scsi_exit_queue(void);
+struct request_queue;
+struct request;
+extern int scsi_prep_fn(struct request_queue *, struct request *);
/* scsi_proc.c */
#ifdef CONFIG_SCSI_PROC_FS
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index f374fdcb6815..00b386677392 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -373,12 +373,29 @@ static int scsi_bus_resume(struct device * dev)
return err;
}
+static int scsi_bus_remove(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ struct scsi_device *sdev = to_scsi_device(dev);
+ int err = 0;
+
+ /* reset the prep_fn back to the default since the
+ * driver may have altered it and it's being removed */
+ blk_queue_prep_rq(sdev->request_queue, scsi_prep_fn);
+
+ if (drv && drv->remove)
+ err = drv->remove(dev);
+
+ return 0;
+}
+
struct bus_type scsi_bus_type = {
.name = "scsi",
.match = scsi_bus_match,
.uevent = scsi_bus_uevent,
.suspend = scsi_bus_suspend,
.resume = scsi_bus_resume,
+ .remove = scsi_bus_remove,
};
int scsi_sysfs_register(void)